Abstract: A method of operating an on-board charger for charging a high voltage battery of an electrically-charged vehicle includes supplying a DC voltage obtained by converting an AC voltage to the high voltage battery to perform a charging operation, measuring an internal voltage of a DC EMI filter for removing noise of the DC voltage, generating a leakage current estimate based on the internal voltage, and controlling the charging operation in accordance with the leakage current estimate.

Abstract: A storage-battery charging device for a motor vehicle is configured to be arranged in the motor vehicle. The device includes a first stage with a power correction filter, and a second stage with an inverter. The first stage is electrically connected to the second stage by way of an intermediate node, the intermediate node being directly electrically connected to a feed-in connection point for direct voltage. The feed-in connection point is designed for direct electrical coupling to a high-voltage vehicle electrical system of the motor vehicle.

Abstract: A hybrid electric propulsion system may include an independent speed variable frequency (ISVF) generator coupled to an alternating current (AC) bus via a first switch. The system may further include a variable frequency independent speed (VFIS) motor coupled to the AC bus via a second switch, the system omitting circuitry to perform a full-power rated power conversion between the ISVF generator and the VFIS motor. The system may also include an alternating current direct current (AC/DC) converter coupled to the AC bus via a third switch. The system may include a battery coupled to the AC/DC converter.

Abstract: A cable retrieving system is disclosed for a charging station adapted for recharging an electric vehicle, the charging station comprising an electric cable and a plug for enabling an electrical connection with the electric vehicle, the system comprising a mechanical wire having a first end secured to the electric cable and a second end; an enclosure comprising an opening suitable for the mechanical wire and a pulling mechanism located in the enclosure, the pulling mechanism comprising a weight member located in the enclosure and mounted on a portion of the mechanical wire to thereby create a pulling force on the mechanical wire to thereby pull the electric cable towards the charging station.

Abstract: Provided in this disclosure is a charging apparatus for an electrical vehicle. When an electric vehicle is parked above the charging apparatus, a primary connector is slide-ably extended upwards and out of an enclosure in such a manner that it plugs into a secondary connector installed in the bottom of the chassis of the vehicle. The secondary connector includes an inverted cone-shaped component that is mounted to freely move horizontally in all directions from the center to engage the slide-ably extending portion of the primary connection and thereby achieve a final alignment of the primary and secondary connectors.

Abstract: Embodiments of the disclosure relate to a charging station for electric vehicles with a ground foundation and a column arranged above the ground foundation and accommodating charging electronics. The ground foundation and the column are formed in one piece. The column includes an opening which runs transversely to the longitudinal axis of the column and extends into the interior of the column. The opening is arranged for accommodating a charging electronics, in particular the opening is arranged as receptacle for the charging electronics and comprises locking means for the charging electronics.

Abstract: A battery charging method for an on-board charger (OBC) includes: applying, by a controller, an output voltage of a first converter to a second converter by controlling the output voltage based on a result of a comparison between a battery load voltage and a battery rated voltage; controlling, by the controller, the second converter to perform a frequency modulation on the output voltage using a low-speed frequency modulation method or a high-speed frequency modulation method based on a result of the control of the output voltage; and generating, by the controller, a frequency harmonic of a system frequency in a battery current based on a modulation method used to perform the frequency modulation. An output voltage of the first converter is controlled based on a load voltage state of a battery and applied to the second converter.

Abstract: A position detection system is applicable to a wireless power transfer system in which power is wirelessly transmitted from a power transmission unit disposed on a parking space to a power reception unit disposed on a vehicle. The position detection system includes one LF transmitting antenna in the power transmission unit, a plurality of LF receiving antennas in the power reception unit, and a vehicle ECU (control system). When the vehicle is moving, the vehicle ECU uses an LF mode to detect the position relation between the power transmission unit and the power reception unit. When the vehicle is stopped, the vehicle ECU uses an LPE mode to detect the position relation between the power transmission unit and the power reception unit.

Abstract: The disclosure is directed to a smart charging cable that enables dynamically and remotely controlled charging of a battery such as may be found in an electric vehicle (EV). The EV charging cable is not specific to any particular manufacturer or brand of electric vehicle thereby facilitating unrestricted application and access to vehicular charging. The EV charging cable includes a processor arranged to execute instructions stored on a memory along with a communication module for wireless communication between the cable and a remote source. A car emulator may be used to simulate the presence of a vehicle to allow switched high power sources like standard installed EV chargers as well as a power meter for measuring the flow electricity passing through the cable. The aforementioned may be housed in a control box arranged between two portions of the cable to receive and deliver power from a source to a battery.

Abstract: A charging system configured for reducing a leakage current may include an on board charger (OBC) receiving an alternating current (AC) power supplied from an external source to charge a vehicle battery with the AC power; at least an electric component connected to an output end portion of the OBC; at least a switch selectively connecting the electric component to or from a ground; and a controller connected to the at least a switch and reducing the leakage current flowing to the ground by controlling the switch connected to the electric component depending on whether or not the vehicle battery is charged with the AC power.

Abstract: There is provided a vehicle comprising a power storage device; a connecting portion configured to be connectable with an external power source; a converter configured to be connected with the connecting portion and with the power storage device; and a control device configured to control the converter. When the external power source is connected with the connecting portion, the control device performs charging control to control the converter, such that electric power from the external power source is subjected to voltage conversion and is then supplied to the power storage device. On completion of charging of the power storage device, the control device starts a system by using electric power from the power storage device after disconnection of the converter from the external power source.

Abstract: An isolation charging control apparatus of a vehicle includes a first vehicle charging control apparatus receiving a control pilot signal for charging control from a charging station system and to receive power from the charging station system and a second vehicle charging control apparatus isolated from the first vehicle charging control apparatus and performing vehicle charging control, using a signal received from the first vehicle charging control apparatus.

Abstract: A periodic supplementary charge method of an auxiliary battery of a vehicle may include: estimating, by a controller, an available capacity of the auxiliary battery; measuring, by the controller, dark currents of the auxiliary battery; determining, by the controller, a supplementary charging execution time based on the estimated available capacity of the auxiliary battery; determining, by the controller, a supplementary charging execution period based on the estimated available capacity and information about the measured dark currents; and supplementarily charging, by the controller, the auxiliary battery by providing a charging current to the auxiliary battery based on the determined supplementary charging execution time and the determined supplementary charging execution period.

Abstract: A system and method of operating a system for controlling charging of a battery of a user's electric vehicle from a power source is based upon intervening in a controlled manner between the power source and the electric vehicle and dynamically controlling a level for charging of the vehicle's electric energy storage system. The level potentially being different from a maximum available charging power from the power source. The controlled intervention occurs in accordance with a charging schedule determined by the server and transmitted by the server to the charging cable. The charging cable then operates according to the charging schedule resulting in a corresponding controlled charging of the vehicle's electric energy storage system.

Abstract: System and method of controlling operation of a device having a rechargeable energy storage pack with a plurality of cells, based on propulsion loss assessment. A controller is configured to obtain a state of charge data and an open circuit voltage of the rechargeable energy storage pack. The controller is configured to obtain a state of charge disparity factor (dSOC) from a selected dataset. The state of charge disparity factor (dSOC) is defined as a difference between a minimum value of the state of charge and an average value of the state of charge of the plurality of cells. The controller is configured to control operation of the device based in part on the state of charge disparity factor (dSOC) and a plurality of parameters (Pi), including raising one or more of a plurality of flags each transmitting respective information to a user.

Abstract: An automatic APS map generating method is provided. The automatic APS map generating method includes measuring a state of charge (SOC) of a battery using a SOC sensor and calculating, a maximum torque of a motor based on the battery SOC and a creep torque based on a current vehicle state to set the creep torque as a minimum torque of the motor. An APS map is generated using an APS percentage table obtained and stored by converting torque values capable of being output by the motor into percentages based on a vehicle speed and an accelerator pedal position sensor (APS) percentage.

Abstract: Disclosed is a vehicle capable of efficiently managing a battery. The vehicle includes the battery, a battery sensor configured to sense an output voltage and an output current of the battery, and a power management device configured to control charging of the battery based on a state of charge (SoC) of the battery. The power management device may calculate an estimated SoC of the battery based on the output current of the battery, calculate an actual SoC based on the output of a battery model corresponding to an input of the output voltage and the output current, and based on an error between the actual SoC and the estimated SoC, activate a power generation control, which controls a generator based on the SoC of the battery, and an idle stop & go (ISG), which turns off an engine during stopping of the vehicle.

Abstract: This control device for an electric vehicle is provided with: a discharge control unit which, when the electric vehicle has been turned off, if the SOC of the battery is within a prescribed range in which the battery is prone to deteriorate, performs control for discharging the battery until the SOC has left the prescribed range; a travelable distance calculation unit which calculates the travelable distance of the electric vehicle using the SOC and a travel coefficient; and a travel coefficient correction unit which, before and after performing control for discharging the battery is performed by the discharge control unit, corrects the travel coefficient such that the travelable distance calculated by the travelable distance calculation unit is reduced.

Abstract: An energy storage device for a motor vehicle includes a first energy store and a second energy store for storing electrical energy, a charging connection for charging the energy stores, an operating connection for operating a load on the energy storage device, and a switching device which has a plurality of switching elements and via which the energy stores can be connected selectively in series or in parallel. A fifth switching element of the switching device is permanently electrically coupled to the electrical poles of opposite polarity of the energy stores and the energy stores can be connected in series via the fifth switching element independently of the other switching elements of the switching device.

Abstract: Provided is a display device for displaying information, the display device being provided in a movable body including a fuel cell, a storage portion in which fuel gas to be supplied to the fuel cell is stored, and a remaining amount measuring portion configured to measure an amount of the fuel gas in the storage portion. The display device includes a display portion configured to display the information, and a controlling portion configured to control the display portion. The controlling portion displays, on the display portion, the amount of the fuel gas stored in the storage portion based on information provided from the remaining amount measuring portion.

Abstract: A radar sensor system and method for ascertaining whether an unattended child is present within an automotive vehicle. The radar sensor system carries out the method and includes a transmitter, at least one sensor, and processing circuitry. The method includes the steps of: illuminating at least one occupiable position within the vehicle with radiation of multiple frequencies; generating radar sensor signals from reflections of the transmitted radiation, a plurality of the radar sensor signals corresponding to different frequencies; and operating the processing circuitry for generating and determining if a first indicator value indicative of motion in the occupiable position satisfies a first predetermined criteria and, if so, generating and determining a second indicator value indicating a degree of repetitive pattern within the radar sensor signals, and determining presence of an unattended child in the vehicle if the second indicator value satisfies a second predetermined criteria.

Abstract: An adjustment system for a seat has a first bearing shell for receiving a seat surface and/or a seat backrest, a second bearing shell for connecting to a substructure, a first wedge-shaped adjustment ring, which is rotatably mounted on the first bearing shell, a second wedge-shaped adjustment ring, which is rotatably mounted on the second bearing shell and rotatably mounted on the first adjustment ring, a first drive for rotating the first adjustment ring relative to the second adjustment ring, a second drive for rotating the second adjustment ring relative to the second bearing shell, and a blockade mechanism for electively connecting the first bearing shell and the second bearing shell for conjoint rotation.

Abstract: A fold and dive seat for a vehicle is provided with a seat-cushion tilting mechanism, a fold and dive mechanism, and a seatback reclining mechanism so as to simultaneously performed both a seatback reclining operation and a tilting operation of a front portion of a seat cushion. The fold and dive seat reduces by evenly dispersing a body pressure over a passenger's upper body and lower body.

Abstract: A discontinuous recliner for a vehicle seat is provided. The discontinuous recliner comprises one or more locking pawls and a single actuating element which is configured to drive the locking pawl(s) both from the locking position to the unlocking position and from the unlocking position to the locking position. Thanks to the provision of the single actuating element, the overall number of components of the discontinuous recliner is significantly reduced. This allows to obtain a discontinuous recliner which is lighter, easier to be assembled and more reliable.

Abstract: A vehicle seat hinge assembly includes a first pivoting member that defines a first axis and is coupled to a first bracket disposed on a vehicle floor. The hinge assembly also includes a second pivoting member that defines a second axis and is disposed on a seat. The first pivoting member is pivotable about the first axis between at least first and second positions. The second pivoting member is pivotable about the second axis between at least fixed and released positions.

Abstract: A vehicle seat includes a seat cushion including: a pad; and a support portion which supports the pad. The support portion deforms in accordance with a load applied to the pad, and allows sinking of the pad due to the deformation, and a deformation amount per unit load of the support portion, in a high load range equal to or greater than a predetermined load, is smaller than a deformation amount per unit load of the support portion, in a low load range less than a predetermined load.

Abstract: A seat has a blower device for a rear seat, RAS. The RAS has a blower arranged between a frame and a surface material layer. The RAS has a member for defining and forming an air passage extending from the blower along the outside of the frame. A height duct and a lateral duct provides the RAS. The RAS has a member for defining and forming a discharge outlet which discharges the air toward the rear seat. It is possible to provide a blower device for a rear seat, which discharges air toward the rear seat without impairing the fundamental function of the frame for the seat.

Abstract: A vehicle seating assembly includes a cushion and a trim layer. A permeable heater is disposed between the cushion and the trim layer. An air mover is in fluid communication with the permeable heater. The permeable heater and the air mover are operable to respectively heat or cool a seating surface.

Abstract: The present disclosure provides a seat back including a bolster for a vehicle. The seat back may include a seat back frame including a side member formed on each of opposite sides thereof so that a left-and-right support of the seat back may be automatically adjusted. The seat back further includes a rotating plate having a structure integrally including an external plate extending into the bolster, and an internal plate extending inwardly into the seat back. A boundary portion between the external plate and the internal plate of the rotating plate may be rotatably mounted to the side member of the seat back frame.

Abstract: A dynamic adjustable armrest includes a bracket supporting the armrest, a rod guide having a plurality of detents, the rod guide in slidable communication with the bracket, a locking rod engageable with the rod guide and the bracket. The locking rod is movable between at least a first position and a second position, and the armrest is movable between at least an up position and a down position.

Abstract: An electronically-activated support positioning system for a passenger seat can include a sensor capable of detecting a tactile input from a passenger and sending a signal, optionally through a controller, to a lock actuator coupled to a lockable hydraulic spring to either lock or unlock the lockable hydraulic spring. The lockable hydraulic spring can control movement of a support of the passenger seat, such as reclining of a seatback. In an example, when tactile input is detected, the lock actuator can unlock the lockable hydraulic spring, allowing an attached seatback to be adjusted. When tactile input is no longer detected, the lock actuator can lock the lockable hydraulic spring, securing the seatback from adjustment. The sensor can be sufficiently small to fit within the confines of an armrest. The sensor can be a microswitch positioned to detect deflection of a tab formed in the wall of the armrest.

Abstract: The invention relates to a motor-vehicle accessory, comprising a moveable first part and a vehicle-fixed second part, wherein the first part is guided on the second part by a guide (43), wherein the guide (43) comprises at least one rack (22a, 22b, 24a, 24b) in engagement with a gear (21a, 21b, 23a, 23b), wherein the rack (22a, 22b, 24a, 24b) is on one of the parts, and the gear (21a, 21b, 23a, 23b) is on the other part. The particular feature consists in that the guide additionally comprises a tolerance compensation that comprises at least one running rail (26a, 26b, 28a, 28b) on one of the parts and engages a running wheel (25a, 25b, 27a, 27b) on the other one of the parts, wherein the running wheel (25a, 25b, 27a, 27b) and/or the running rail (26a, 26b, 28a, 28b) is elastically deformable, and a press-fit is formed between the running rail and the running wheel, so that the meshing teeth of the first part and of the second part are urged into a defined position.

Abstract: A vibration generation device (200) includes a frequency information recorder (80) configured to record frequency values of inputted measurement signals such that the frequency values are associated with measurement positions of vibrations on the seat originally generated by the vibration generator (20) on the basis of the measurement signals and transmitted to the seat by the vibration transmission member and an output signal generator (70) configured to obtain a frequency value of a measurement position corresponding to a desired position from the frequency information recorder (80) and to generate an output signal having the frequency value.

Abstract: A seat includes a seating portion, a backrest, two pairs of vibrators and a vibration absorbing member, and constitutes a driver's seat of a vehicle. The vibration absorbing member is arranged at a boundary portion between a first region and a second region of the seating portion, and is arranged at an intermediate portion between the pair of vibrators. The vibration absorbing member suppresses vibration of the vibrator from being propagated to the second region and vibration of the vibrator from being propagated to the first region. The vibration absorbing member is arranged at a boundary portion between a first region and a second region of the backrest, and is arranged at an intermediate portion between the pair of vibrators. The vibration absorbing member suppresses vibration of the vibrator from being propagated to the second region and vibration of the vibrator from being propagated to the first region.

Abstract: An assist grip assembly is configured to be secured to a component. The assist grip assembly includes a handle defining a retention chamber, and a fastening assembly pivotally secured to the retention chamber of the handle. The fastening assembly includes a mounting cushion having a central channel and at least one mounting stud pivotally coupled to the retention chamber. The mounting cushion secures the fastening assembly to the handle. A retaining clip is coupled to the mounting cushion. The retaining clip is configured to secure to the component.

Abstract: A portable cone-shaped single container holder that is lightweight and holds sports beverage coolers, including half gallon sports beverage coolers, and other containers. The device can be placed on the flat floor, including the flat floor of a vehicle. Containers are placed in the open interior holding space or compartment. Even when free standing, the device's stable structure holds a container in the upright position. The container holder reduces spilling and damage to containers and their contents caused when bumped into or when the motion of the vehicle during reasonable driving conditions would otherwise cause the container to tip over. The container holder does not require additional balancing, weights, internal adjustments, or vehicle restraints. The container holder allows room for vehicle passengers feet, and allows for easy portability and travel.

Abstract: Provided is a receiving device for a vehicle interior, having a receiving section for receiving objects in a receiving position of the receiving section, a base body in which the receiving section is arranged in a rest position of the receiving section, a drive unit for moving the receiving section from the rest position via an intermediate position into the receiving position, in which the receiving section projects from the base body, the drive unit applying a first drive force to the receiving section for moving from the rest position into the intermediate position and applying a second drive force to the receiving section for moving from the intermediate position into the receiving position, the first drive force being smaller than the second drive force, further comprising a damping device for applying a first damping force against said first driving force and a second damping force against said second driving force to said receiving portion, said second damping force being greater than said first dampin

Abstract: A drinking receptacle holder comprising a holding portion, the holding portion providing an aperture with a variable size, and a base portion, wherein the drinking receptacle holder is configured so that a drinking receptacle can be received within the aperture of the holding portion with the drinking receptacle resting upon the base portion, wherein the base portion is configured to be pushed away from the holding portion by the drinking receptacle as the drinking receptacle is moved through the aperture of the holding portion, and wherein the holding portion is connected to the base portion such that the size of the aperture is configured to reduce as the base portion is pushed away from the holding portion.

Abstract: A holding device for a motor vehicle, includes at least one rod element, which has a first end with a cross-sectional surface, which forms a part of a holding surface of the holding device. A main extension axis of the at least one rod element intersects the part of the holding surface such that a second end, opposite the first end, of the at least one rod element is facing away from the part of the holding surface and protrudes into the holding device, and an adjustment device for adjusting the at least one rod element along the main extension direction.

Abstract: In one embodiment, a truck trailer has a cargo container that defines a cargo area therein. The trailer has a rear cargo lift having a platform disposed within the cargo area at a rear end of the trailer. The platform is vertically movable between a floor of the trailer and a first elevation that is above the floor. The trailer has an upper cargo deck supported within a portion of the cargo area that is between the rear lift and a front end of the trailer. The upper cargo deck divides the portion of the cargo area into upper and lower areas. The upper cargo deck can align with the rear cargo lift at the first elevation so as to receive cargo into the upper area, and translate the cargo to a second elevation that is above the first elevation so as to receive cargo in the lower area.

Abstract: The present disclosure of the Improved Trailer Bed Load Plow concerns a highly customizable, legacy trailer compatible, removable, system for unloading trailer loads and/or flat bed loads. The system, generally speaking, comprises a sled, a plow, a controllable puller such as a winch, guide rails, detents, and an attachment point on the trailer. In some implementations, the plow and puller are attached to the sled, and the combined unit travels the length of the trailer bed, constrained by the guide rails to lateral travel, via the force created by the puller acting against the attachment point which is effectively positioned on an end of the trailer.

Abstract: An agricultural system that includes an automated fill system that delivers product to or removes product from a first storage tank automatically. The automated fill system includes a product conveyor system that transfers the product. The system includes an alignment system that aligns the product conveyer system to deliver or remove the product from the first storage tank. A controller controls the alignment system to control transfer of the product to and from the first storage tank.

Abstract: A loading ramp assembly comprises a ramp body, a pivot bar, a first clamp and a second clamp. The ramp body includes a detent. The pivot bar includes a bore that receives the detent. The first clamp is disposed on the first side of the pivot bar and the second clamp is disposed on the second side of the pivot bar. The proximal end of the ramp body is rotatably connected to the pivot bar at a position on the pivot bar between the first clamp and the second clamp. The ramp body is rotatable on the pivot bar from a loading position to a stowed position and is also inwardly and outwardly slidable on the pivot bar. The first clamp and second clamp can assume a loosened configuration and a clamped configuration. In the loosened configuration the pivot bar is rotatably positionable such that the bore can assume a selected angular orientation.

Abstract: A lateral brace for stabilizing a bunk on a boat trailer. The brace includes an anchor bracket attached to 3 rigid portion of the trailer and a bunk bracket attached to a bunk or to a bracket connecting the bunk to the trailer. An adjustable link connects the anchor bracket to the bunk bracket. The length of the adjustable link can be varied in order to place a desired lateral force on the bunk. This lateral force counteracts the splaying force applied by a boat hull resting on the bunk.

Abstract: A transport refrigeration unit (TRU) system is provided. The TRU system includes a TRU and an energy storage device (ESD). The TRU includes components (32) configured to control an environment in a compartment interior and a TRU controller (31) configured to control the components (32) in accordance with initial control settings and to monitor energy usage by the components (32) being controlled in accordance with the initial control settings. The ESD (40) includes an ESD controller (42) receptive of data reflective of the monitored energy usage by the components (32) from the TRU controller (31) and configured to determine whether the energy usage is above a threshold. In an event the energy usage is above the threshold, the ESD controller (42) is further configured to identify operational changes for one or more of the components (32) to reduce the energy usage and override the initial control settings of the one or more of the components (32) with new control settings.

Abstract: A vehicle is disclosed having a composite cargo body assembled in a manner that may improve thermal efficiency, fuel efficiency, and costs of manufacturing.

Abstract: A side supporting type vehicle roof tent comprises a tent rack and a tent cloth fitted inside the tent rack. The tent rack comprises a base, a top cover, and at least one support connecting rod; the rear end of the top cover is pivotally connected to the rear end of the base; the support connecting rod is provided between the base and the top cover; one end of the support connecting rod is connected to the top cover, and the other end is connected to the base; the tent cloth is provided between the top cover and the base in a matching manner; the tent cloth between the front end of the top cover and the front end of the base is provided with an opening. The tent is simple in structure and easy to unfold or fold.

Abstract: The invention relates to a switch (10), in particular as a steering column switch for arrangement on a steering column of a vehicle, with an actuable switch lever (12) which has along its longitudinal axis (14) a bearing element (16) with which the switch lever (12) is mounted movably in a bearing (20) of a base housing (18), a switching element (30) which is movement-coupled to the switch lever (12) and which is embodied with a contact-free signalling element (32), wherein the switch lever (12) can be activated on a first side (34) of the bearing element (16), the switching element (30) is arranged on a second side (36) of the bearing element (16), the switching element (30) is embodied as a reversing lever with a first and a second lever arm (40, 42), the reversing lever (30) is retained in the connection region (44) of the first and second lever arm (40, 42) in a reversing bearing (46) rotatably on the base housing (18), the signalling element (32) is arranged on the first lever arm (40), and the second le

Abstract: The present disclosure described herein, in general, relates to a system 500 for controlling headlamps of a vehicle. The system 500 may comprise a signal processing unit 509, a relay circuit 401, a switch 302 and a user device 407. The user device 407 comprises a GPS tracker 408-A, an output unit 409, a processor 408-B and a memory 408-C. The system comprises comparing one or more parameters with the predefined threshold value, notifying information based upon the one or more parameters, instructing the user to change the status of the headlamp using the switch 302 based upon the comparison of the one or more parameters with the predefined threshold value and controlling the status of the headlamps upon receiving command by the user based upon the instructions or automatically operating the relay circuit 401 based upon the received signals.

Abstract: According to the present invention, there may be provided an actuator comprising: a shaft comprising a thread; a rotor surrounding the shaft; a stator arranged outside the rotor; a moving portion coupled to the thread of the shaft; a housing that holds both ends of the shaft; and a substrate that is arranged on the housing and comprises a sensor portion for sensing the position of the moving portion, wherein the moving portion comprises a magnet; the sensor portion comprises a first sensor and a second sensor for sensing the amount of magnetic flux change following the position of the magnet; the first sensor generates a first signal including an area in which the measured voltage increases linearly as the magnet moves away from the first sensor; and the second sensor generates a second signal including an area in which the measured voltage decreases linearly as the magnet moves away from the second sensor.